I can make a span like this forexample
from bokeh.models import Span Span(location=42,dimension='height', line_color='red',line_dash='dashed', line_width=3)
which is great. But can i somehow limit the Span between e.g. 50 and 60 in the width direction instead of it going between -inf to inf.
Alternatively, how do i draw a line from (x1,y1) to (x2,y2) based on a single entry in a columndatasource?